TESTO 440 - Page 41

3 Operation
39
Order number Name
TE (independent of
manufacturers)
A minimum of 1 temperature probe (TE, NTC, 805i) and 1 humidity
probe is to be connected via Bluetooth
®
and cable.
Only one probe can be connected to the testo 440 by Bluetooth
®
.
The display shows the risk of mold using the traffic light system.
Display Meaning
Green Low risk
Yellow Medium risk
Red High risk
Preparing for measurement
1
Make sure that you select the Mold Indication screen first.
If a testo 805i is used, the following settings can be made:
- Emissivity
Please refer to the testo 805i instruction manual for detailed information
on emissivity.
2
Use to select the required parameter and make settings.
3
Press
or to exit the menu.